diff --git a/src/Symfony/Bundle/SecurityBundle/Resources/config/schema/security-1.0.xsd b/src/Symfony/Bundle/SecurityBundle/Resources/config/schema/security-1.0.xsd
index 0a698476ef409..ab4899d771201 100644
--- a/src/Symfony/Bundle/SecurityBundle/Resources/config/schema/security-1.0.xsd
+++ b/src/Symfony/Bundle/SecurityBundle/Resources/config/schema/security-1.0.xsd
@@ -379,6 +379,7 @@
         <xsd:attribute name="catch-exceptions" type="xsd:boolean" />
         <xsd:attribute name="secure" type="remember_me_secure" />
         <xsd:attribute name="samesite" type="remember_me_samesite" />
+        <xsd:attribute name="partitioned" type="xsd:boolean" />
     </xsd:complexType>
 
     <xsd:complexType name="remember_me_token_provider">